Articles: Did the Cow Do It? A New Look at the Great Chicago Fire; The Grayville Waterworks War; Forerunners for a Domestic Revolution: Jane Addams, Charlotte Perkins Gilman, and the Ideology of Childhood, 1900-1916; "Not following in the...

Papers, Addresses, Reports: Comparison of Some Amino Acid Mixtures and Proteins for the Diet of Drosophila Melanogaster; Two New Series of Oecetis Occurring in Eastern North America (Trichoptera, Leptoceridae); Origin of Man and Culture; The...

Papers, Addresses, Reports: Twenty-five Years of Engineering Geology in Illinois; Science in the High School Curricula; Composition Diagrams for Forests; Diagrams to Show which Species Occur in Particular Plots or Stands; Flora and Ecological...

Papers, Addresses, Reports: Mark Hopkins and the modern log; Steuben Village site, a Hopewellian village of central Illinois; Some pioneers in natural history and biology in southern Illinois; The Monoblepharidaceae as represented in Illinois;...

Papers, Addresses, Reports: American Science in the Philippines (Presidential address); The Trusteeship of the National Park Service; The Benefits and Dangers of our Natural Heritage; Extract from the Report of the Section Chairman...

Papers, Addresses, Reports: Some Problems in the Origin of the Mineral Veins (Address of the Retiring President); History and Forecast of Population of the State of Illinois; Extract From the Report of the Section Chairman (Agriculture);...

Papers, Addresses, Reports: A New Approach to Studies of Culture and Society; Welcome to Augustana; Dedication of Lindahl-Udden Memorial; The Beginning of the Illinois State Academy of Science; The Ligneous Flora of Richland County, Illinois,...

Papers, Addresses, Reports: Advancement in the Science of Public Health; Medical Science, its Past, Present, and Future; Psychiatry in the Criminal Courts of Cook County; Memoirs: Ulysses Sherman Grant, John Paul Goode; Extract from the Report...

Papers, Addresses, Reports: The Coming of Man; National Forest Movement in Illinois; Twenty-five Years in the Illinois State Academy of Science; Extract from the Report of the Section Chairman (Agriculture); Symposium: Recent Changes in Food...